Datasheet

TMDS351

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SLLS840B –MAY 2007– REVISED JULY 2011

Table 1. Source Selection Lookup

(1)

CONTROL PINS I/O SELECTED HOT PLUG DETECT STATUS

SCL_SINK

S2 S1 Y/Z HPD1 HPD2 HPD3

SDA_SINK

A1/B1

Terminations of A2/B2 SCL1

H H HPD_SINK L L

and A3/B3 are SDA1

disconnected

A2/B2

Terminations of A1/B1 SCL2

H L L HPD_SINK L

and A3/B3 are SDA2

disconnected

A3/B3

Terminations of A1/B1 SCL3

L L L L HPD_SINK

and A2/B2 are SDA3

disconnected

None (Z)

Are pulled HIGH by

L H All terminations are HPD_SINK HPD_SINK HPD_SINK

external pull-up

disconnected

termination

(1) H: Logic high; L: Logic low; X: Don't care; Z: High impedance